Literature
- Ascher, J.S. and Pickering, J. 2014. Discover Life bee species guide and world checklist (Hymenoptera: Apoidea: Anthophila). Available at: http://www.discoverlife.org/mp/20q?guide=Apoidea_species&flags=HAS:&guide=Apoidea_species&cl=EI.
- Baldock, D., Wood, T., Cross, I., Smit, J. 2018. The Bees of Portugal (Hymenoptera: Apoidea: Anthophila) – Entomofauna Suppl. S22: 1–164.
- Banaszak, J. and Dochkova, B. 2014. Bees (Hymenoptera, Apoidea, Apiformes) in the agricultural landscape of Bulgaria: species diversity Journal of Apicultural Science Vol. 58 No. 1 pp. 29-49.
- Banaszak, J. and Romasenko, L. 2001. Megachilid Bees of Europe, Second Edition. Bydgoszcz.
- Bieri, S. 2002. Die Bienen und Wespen des Fürstentums Liechtenstein. Amtlicher Lehrmittelverlag.
- Dewulf, A. & Praz, C. 2014. Megachile semipleta. The IUCN Red List of Threatened Species 2014: e.T19199390A50142495. http://dx.doi.org/10.2305/IUCN.UK.2014-3.RLTS.T19199390A50142495.en. Downloaded on 11 April 2019.
- Else, G.R. & Edwards, M. 2018. Handbook of the Bees of the British Isles. Ray Society, London.
- Fellendorf M., Mohra C., Roberts S., Wirtz P., van der Zanden G. 1999. The bees of Madeira (Hymenoptera, Apoidea), Bocagiana, Museu Municipal do Funchal (História Natural), Madeira 197, 1–17.
- Ivanov, S. P., Andriychenko A. S., Fateryga A. V. 2005. in “Ecosystems of the Crimea, their optimization and conservation”. – Symferopol, 15: 86-97.
- Matache, I & Ban, C. 2006. Family Megahilidae (Hymenoptera: Apoidea) in Dobrogea (Romania). Travaux du Museum NHN “Grigore Antipa” XLIX. pp297-306.
- Nieto, A., Roberts, S.P.M., Kemp, J., Rasmont, P., Kuhlmann, M., García Criado, M., Biesmeijer, J.C., Bogusch, P., Dathe, H.H., De la Rúa, P., De Meulemeester, T., Dehon, M., Dewulf, A., Ortiz-Sánchez, F.J., Lhomme, P., Pauly, A., Potts, S.G., Praz, C., Quaranta, M., Radchenko, V.G., Scheuchl, E., Smit, J., Straka, J., Terzo, M., Tomozii, B., Window, J. and Michez, D. 2014. European Red List of bees. Luxembourg: Publication Office of the European Union.
- Peeters, T.M.J., I.P. Raemakers & J. Smit 1999. Voorlopige atlas van de Nederlandse bijen (Apidae). European Invertebrate Survey Nederland, Leiden, 230 pp.
- Praz, C.J. 2017. Subgeneric classification and biology of the leafcutter and dauber bees (genus Megachile Latreille) of the western Palearctic (Hymenoptera, Apoidea, Megachilidae). Journal of Hymenoptera Research, 55: 1–54. DOI: https://doi.org/10.3897/ jhr.55.11255.
- Rasmont, P., P.A. Ebmer, J. Banaszak & G. van der Zanden 1995. Hymenoptera Apoidea Gallica. Liste taxonomique des abeilles de France, de Belgique, de Suisse et du Grand-Duché de Luxembourg. Bulletin de la Société entomologique de France, 100(H.S.): 1-98.
- Schwarz, M., F. Gusenleitner, P. Westrich & H. Dathe 1996. Katalog der Bienen Österreichs, Deutschlands und der Schweiz (Hymenoptera, Apidae). Entomofauna Suppl. 8: 1-398.
- Stanisavljević, L. 2000. Idioekološka studija vrsta Osmia cornuta (Latr.) i O. rufa (L.) (Megachilidae, Hymenoptera) sa posebnim osvrtom na njihov status i značaj kao oprašivača biljaka. Doctoral dissertation [unpublished] Beograd.
- Söderman, G. and Leinonen, R. 2003. Suomen Mesipistiäiset ja niiden uhanalaisuus. Tremex Press Oy, Helsinki.
- Westrich, P. 1989. Die Wildbienen Baden-Württembergs. Verlag Eugen Ulmer, Stuttgart, Allgemeiner Teil, pp.1-431; Spezieller Teil, pp.432-972.
- Westrich, P. 1990. Die Wildbienen Baden-Württembergs. Verlag Eugen Ulmer, Stuttgart, Allgemeiner Teil, pp.1-431; Spezieller Teil, pp.432-972.